.cl {
  &__container {
    display: flex;
    height: calc(100vh - 40px);
  }
  &__tools {
    &-content {
      transition: all 0.2s;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    &-handler {
      width: 100%;
      height: 16px;
      border-bottom: 1px solid #f2f2f2;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
      &:hover {
        background-color: #f5f7fa;
      }
      &--active {
        i {
          transform: rotate(180deg);
        }
      }
      i {
        transition: all 0.2s;
        box-sizing: border-box;
        position: relative;
        display: block;
        width: 20px;
        height: 20px;
        cursor: pointer;
        &::before {
          content: '';
          display: block;
          box-sizing: border-box;
          position: absolute;
          width: 8px;
          height: 8px;
          border-bottom: 1px solid;
          border-right: 1px solid;
          transform: rotate(45deg);
          left: 7px;
          top: 3px;
        }
      }
    }
    &-search {
      width: 230px;
      margin: 4px 0;
    }
  }
  &__list {
    width: 250px;
    border-right: 1px solid #f2f2f2;
    overflow: auto;
    height: 100%;
    ul {
      padding: 0;
    }
    &-item {
      list-style: none;
      height: 80px;
      background-color: white;
      transition: all 0.2s;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      padding: 10px;
      justify-content: space-between;
      border-bottom: 1px solid #f2f2f2;
      // 下面这两行的启用可以让列表项目从方正标准变成圆润留白
      border-radius: 8px;
      margin: 4px;

      &--active {
        background-color: #f5f7fa;
        &:hover {
          background-color: #f5f7fa!important;
        }
      }
      &:hover {
        background-color: #f2f2f2;
      }
      &__title {
        font-weight: bold;
        width: 100%;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
      }
      &__desc {
        font-size: 12px;
        color: #999999;
        width: 100%;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
      }
    }
  }
  &__content {
    flex: 1;
    height: 100%;
    overflow: auto;
  }
}
